Wong Aw's answer to Elise chang's Secondary 3 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Wong Aw
Wong Aw's answer
229 answers (Tutor Details)
My solution is a little long as it is written in a Step-By-Step manner so that everyone understands. : )

Page 1 of 6